<template>
  <div class="app-container">
    <div id="pie" class="chart"></div>
  </div>
</template>

<script>
import { ref, onMounted, onBeforeUnmount } from "vue";
import * as echarts from "echarts";

export default {
  name:'gauge',
  setup() {
    const chart = ref(null);
    let timer;
    const initChart = () => {
      chart.value = echarts.init(document.getElementById("pie"));

      let option = {
        backgroundColor: "#000",
        tooltip: {
          formatter: "{a} <br/>{b} : {c}%",
        },
        toolbox: {
          feature: {
            restore: {},
            saveAsImage: {},
          },
        },
        series: [
          // left
          {
            name: "gauge 0",
            type: "gauge",
            min: -200,
            max: 250,
            startAngle: -30,
            endAngle: -315,
            splitNumber: 9,
            radius: "35%",
            center: ["21%", "55%"],
            axisLine: {
              lineStyle: {
                color: [[1, "#AE96A6"]],
              },
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: false,
            },
            anchor: {},
            pointer: {
              show: false,
            },
            detail: {
              show: false,
            },
            title: {
              fontSize: 12,
              fontWeight: 800,
              fontFamily: "Arial",
              color: "#fff",
              offsetCenter: [0, "-60%"],
            },
            progress: {
              show: true,
              width: 3,
              itemStyle: {
                color: "#fff",
              },
            },
            data: [
              {
                value: 250,
                name: "km/h",
              },
            ],
          },
          {
            name: "gauge 1",
            type: "gauge",
            min: 0,
            max: 250,
            startAngle: -140,
            endAngle: -305,
            splitNumber: 5,
            radius: "35%",
            center: ["21%", "55%"],
            axisLine: {
              lineStyle: {
                color: [[1, "#AE96A6"]],
              },
            },
            splitLine: {
              distance: -7,
              length: 12,
              lineStyle: {
                color: "#fff",
                width: 4,
              },
            },
            axisTick: {
              distance: -8,
              length: 8,
              lineStyle: {
                color: "#fff",
                width: 2,
              },
            },
            axisLabel: {
              distance: 14,
              fontSize: 18,
              fontWeight: 800,
              fontFamily: "Arial",
              color: "#fff",
            },
            anchor: {},
            pointer: {
              icon:
                "path://M-36.5,23.9L-41,4.4c-0.1-0.4-0.4-0.7-0.7-0.7c-0.5-0.1-1.1,0.2-1.2,0.7l-4.5,19.5c0,0.1,0,0.1,0,0.2v92.3c0,0.6,0.4,1,1,1h9c0.6,0,1-0.4,1-1V24.1C-36.5,24-36.5,23.9-36.5,23.9z M-39.5,114.6h-5v-85h5V114.6z",
              width: 5,
              length: "40%",
              offsetCenter: [0, "-58%"],
              itemStyle: {
                color: "#f00",
                shadowColor: "rgba(255, 0, 0)",
                shadowBlur: 5,
                shadowOffsetY: 2,
              },
            },
            title: {
              color: "#fff",
              fontSize: 14,
              fontWeight: 800,
              fontFamily: "Arial",
              offsetCenter: [0, 0],
            },
            detail: {
              show: false,
            },
            data: [
              {
                value: 0,
                name: "当前位置：\n \n 中科路",
              },
            ],
          },
          // middle
          {
            name: "gauge 2",
            type: "gauge",
            min: 0,
            max: 8,
            z: 10,
            startAngle: 210,
            endAngle: -30,
            splitNumber: 8,
            radius: "50%",
            center: ["50%", "50%"],
            axisLine: {
              show: true,
              lineStyle: {
                width: 0,
                color: [
                  [0.825, "#fff"],
                  [1, "#f00"],
                ],
              },
            },
            splitLine: {
              distance: 20,
              length: 15,
              lineStyle: {
                color: "auto",
                width: 4,
                shadowColor: "rgba(255, 255, 255, 0.5)",
                shadowBlur: 15,
                shadowOffsetY: -10,
              },
            },
            axisTick: {
              distance: 20,
              length: 8,
              lineStyle: {
                color: "auto",
                width: 2,
                shadowColor: "rgba(255, 255, 255)",
                shadowBlur: 10,
                shadowOffsetY: -10,
              },
            },
            axisLabel: {
              distance: 10,
              fontSize: 35,
              fontWeight: 800,
              fontFamily: "Arial",
              color: "#fff",
            },
            anchor: {},
            pointer: {
              icon:
                "path://M-36.5,23.9L-41,4.4c-0.1-0.4-0.4-0.7-0.7-0.7c-0.5-0.1-1.1,0.2-1.2,0.7l-4.5,19.5c0,0.1,0,0.1,0,0.2v92.3c0,0.6,0.4,1,1,1h9c0.6,0,1-0.4,1-1V24.1C-36.5,24-36.5,23.9-36.5,23.9z M-39.5,114.6h-5v-85h5V114.6z",
              width: 10,
              offsetCenter: [0, "-10%"],
              length: "75%",
              itemStyle: {
                color: "#f00",
                shadowColor: "rgba(255, 0, 0)",
                shadowBlur: 5,
                shadowOffsetY: 3,
              },
            },
            title: {
              color: "#fff",
              fontSize: 12,
              fontWeight: 800,
              fontFamily: "Arial",
              offsetCenter: [0, "-50%"],
            },
            data: [
              {
                value: 0.6,
                name: "1/min x 1000",
              },
            ],
            detail: {
              show: false,
            },
          },
          {
            name: "gauge 3",
            type: "gauge",
            min: 0,
            max: 8,
            z: 10,
            splitNumber: 8,
            radius: "50%",
            axisLine: {
              lineStyle: {
                width: 14,
                color: [[1, "#000"]],
              },
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: false,
            },
            anchor: {},
            pointer: {
              show: false,
            },
            title: {
              show: false,
            },
            detail: {
              offsetCenter: ["25%", "50%"],
              formatter: "{a|{value}}{b|km/h}",
              rich: {
                a: {
                  fontSize: 60,
                  fontWeight: 800,
                  fontFamily: "Arial",
                  color: "#fff",
                  align: "center",
                  padding: [0, 5, 0, 0],
                },
                b: {
                  fontSize: 14,
                  fontWeight: 800,
                  fontFamily: "Arial",
                  color: "#fff",
                  rotate: 30,
                  padding: [0, 0, 20, 0],
                },
              },
            },
            // value is speed
            data: [
              {
                value: 0,
                name: "",
              },
            ],
          },
          // right
          {
            name: "gauge 4",
            type: "gauge",
            min: 0,
            max: 8,
            startAngle: 135,
            endAngle: -150,
            splitNumber: 8,
            radius: "35%",
            center: ["79%", "55%"],
            axisLine: {
              lineStyle: {
                color: [[1, "#AE96A6"]],
              },
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              show: false,
            },
            anchor: {},
            pointer: {
              show: false,
            },
            title: {},
            detail: {
              offsetCenter: ["-15%", 0],
              formatter: [
                "{a|                  00:00}",
                "{a|行驶时间       0:00}{b| h}",
                "{a|行驶距离        0.0}{b| km}",
                "{a|平均耗能        ---}{b| 1/100km}",
                "{a|平均速度        ---}{b| km/h}",
              ].join("\n"),
              rich: {
                a: {
                  fontSize: 14,
                  fontWeight: 800,
                  fontFamily: "Arial",
                  lineHeight: 22,
                  color: "#fff",
                  align: "left",
                },
                b: {
                  fontWeight: 600,
                  fontFamily: "Arial",
                  lineHeight: 22,
                  color: "#fff",
                  align: "left",
                },
              },
            },
            progress: {
              show: true,
              width: 3,
              itemStyle: {
                color: "#fff",
              },
            },
            data: [
              {
                value: 250,
                name: "",
              },
            ],
          },
          {
            name: "gauge 5",
            type: "gauge",
            min: 0,
            max: 1,
            startAngle: 125,
            endAngle: 55,
            splitNumber: 2,
            radius: "34%",
            center: ["79%", "55.3%"],
            axisLine: {
              lineStyle: {
                width: 9,
                color: [
                  [0.15, "#f00"],
                  [1, "rgba(255, 0, 0, 0)"],
                ],
              },
            },
            splitLine: {
              distance: -14,
              length: 16,
              lineStyle: {
                color: "#fff",
                width: 4,
              },
            },
            axisTick: {
              distance: -14,
              length: 10,
              lineStyle: {
                color: "#fff",
                width: 2,
              },
            },
            axisLabel: {
              distance: 12,
              fontSize: 18,
              fontWeight: 800,
              fontFamily: "Arial",
              color: "#fff",
              formatter: function (value) {
                if (value === 0.5) {
                  return "2/4";
                }
                if (value === 1) {
                  return "4/4";
                }
                return value;
              },
            },
            progress: {
              show: true,
              width: 5,
              itemStyle: {
                color: "#fff",
              },
            },
            anchor: {
              show: true,
              itemStyle: {},
              offsetCenter: ["-22%", "-57%"],
              size: 18,
              icon:
                "path://M1.11979167,1.11111112 C1.11979167,0.497461393 1.61725306,0 2.23090279,0 L12.2309028,0 C12.8445525,1.43824153e-08 13.3420139,0.497461403 13.3420139,1.11111112 L13.3420139,10 L15.5642361,10 C16.7915356,10 17.7864583,10.9949228 17.7864583,12.2222222 L17.7864583,16.6666667 C17.7865523,17.28025 18.2839861,17.7776077 18.8975694,17.7776077 C19.5111527,17.7776077 20.0085866,17.28025 20.0086805,16.6666667 L20.0086805,8.88888888 L17.7864583,8.88888888 C17.1728086,8.88888888 16.6753472,8.3914275 16.6753472,7.77777779 L16.6753472,3.79333333 L15.6197917,2.73777777 C15.1859413,2.30392741 15.1859413,1.60051702 15.6197917,1.16666667 L15.6197917,1.16666667 C16.053642,0.732816318 16.7570524,0.732816318 17.1909028,1.16666667 L21.9053472,5.88111112 C22.1140468,6.08922811 22.2312072,6.37193273 22.2309028,6.66666667 L22.2309028,16.6666667 C22.2309028,18.5076158 20.7385186,20 18.8975695,20 C17.0566203,20 15.5642361,18.5076158 15.5642361,16.6666667 L15.5642361,12.2222222 L13.3420139,12.2222222 L13.3420139,17.7777778 L13.3420139,17.7777778 C13.9556636,17.7777778 14.453125,18.2752392 14.453125,18.8888889 L14.453125,18.8888889 C14.453125,19.5025386 13.9556636,20 13.3420139,20 L1.11979165,20 C0.506141934,20 0.00868054688,19.5025386 0.00868054687,18.8888889 L0.00868054687,18.8888889 C0.00868054688,18.2752392 0.506141934,17.7777778 1.11979165,17.7777778 L1.11979167,17.7777778 L1.11979167,1.11111112 Z M3.34201388,2.22222221 L3.34201388,8.88888888 L11.1197917,8.88888888 L11.1197917,2.22222221 L3.34201388,2.22222221 Z",
            },
            pointer: {
              show: false,
            },
            title: {},
            detail: {
              offsetCenter: ["10%", "-56%"],
              formatter: "{a|831}{b| km}",
              rich: {
                a: {
                  fontSize: 15,
                  fontWeight: 800,
                  fontFamily: "Arial",
                  color: "#fff",
                },
                b: {
                  fontWeight: 600,
                  fontFamily: "Arial",
                  color: "#fff",
                },
              },
            },
            data: [
              {
                value: 0.85,
                name: "",
              },
            ],
          },
          {
            name: "gauge 6",
            type: "gauge",
            min: -120,
            max: -60,
            startAngle: 230,
            endAngle: 310,
            clockwise: false,
            splitNumber: 2,
            radius: "35%",
            center: ["79%", "55%"],
            axisLine: {
              lineStyle: {
                color: [
                  [1, "#AE96A6"],
                  [1.1, "#f00"],
                ],
              },
            },
            splitLine: {
              distance: -8,
              length: 12,
              lineStyle: {
                color: "#fff",
                width: 4,
              },
            },
            axisTick: {
              splitNumber: 3,
              length: 8,
              distance: -8,
              lineStyle: {
                color: "#fff",
                width: 2,
              },
            },
            axisLabel: {
              distance: 14,
              fontSize: 18,
              fontWeight: 800,
              fontFamily: "Arial",
              color: "#fff",
              formatter: function (value) {
                return -value;
              },
            },
            anchor: {
              show: true,
              itemStyle: {},
              offsetCenter: [0, "55%"],
              size: 20,
              icon:
                "path://M-34.1-1.1L-34.1-1.1c0-0.3-0.3-0.6-0.6-0.6h-3.6v-1.5c0-0.5-0.2-0.9-0.6-1.1s-0.9-0.2-1.3,0c-0.4,0.2-0.6,0.7-0.6,1.1V7.9c0,0,0,0.1,0,0.1c-0.8,0.5-1.2,1.5-0.9,2.5c0.3,0.9,1.1,1.6,2.1,1.6c1,0,1.8-0.6,2.1-1.5c0.3-0.9,0-1.9-0.8-2.5V6.3h3.5c0.4,0,0.7-0.3,0.7-0.7l0,0c0-0.4-0.3-0.7-0.7-0.7h-3.5V2.9h3.5c0.4,0,0.7-0.3,0.7-0.7l0,0c0-0.4-0.3-0.7-0.7-0.7h-3.5v-2.1h3.6C-34.4-0.5-34.1-0.8-34.1-1.1z M-44.9,11.6c-0.7,0-1.4-0.2-2-0.6c-0.4-0.3-0.9-0.4-1.4-0.4c-0.4,0-0.9,0.2-1.2,0.4c-0.4,0.2-1.4-0.9-0.9-1.3c0.6-0.4,1.3-0.6,2-0.7c0.8,0,1.5,0.2,2.2,0.5c0.4,0.3,0.9,0.4,1.3,0.4c0.6,0,1.1-0.2,1.5-0.6s1.6,0.7,0.9,1.3S-44,11.6-44.9,11.6L-44.9,11.6z M-34.3,11.6c-0.7,0-1.4-0.3-2-0.7c-0.6-0.4,0.5-1.6,0.9-1.3s0.8,0.4,1.2,0.4c0.5,0,1-0.1,1.4-0.4c0.6-0.3,1.3-0.5,2-0.6h0c0.9,0,1.7,0.3,2.4,0.9c0.7,0.5-0.5,1.6-0.9,1.3c-0.4-0.3-1-0.6-1.5-0.6h0c-0.5,0-0.9,0.2-1.3,0.4c-0.6,0.3-1.3,0.5-2,0.6H-34.3z M-33.5,16.3c-0.7,0-1.4-0.3-1.9-0.8c-0.4-0.3-0.6-0.5-1-0.5c-0.4,0-0.7,0.2-1,0.4c-0.6,0.5-1.3,0.7-2,0.7c-0.7,0-1.4-0.3-1.9-0.8c-0.2-0.3-0.6-0.4-0.9-0.4c-0.4,0-0.7,0.1-1.1,0.5c-0.6,0.5-1.3,0.7-2.1,0.7c-0.7-0.1-1.4-0.4-1.9-0.9c-0.4-0.3-0.6-0.5-1-0.5c-0.3,0-0.6,0.2-0.9,0.4s-1.6-0.7-1.1-1.2c0.5-0.5,1.2-0.8,1.9-0.9c1-0.1,1.6,0.4,2.1,0.8c0.3,0.3,0.6,0.5,1,0.5c0.4,0,0.6-0.1,1-0.4c0.6-0.5,1.4-0.8,2.1-0.8c0.7,0,1.4,0.3,1.9,0.8c0.2,0.2,0.6,0.4,0.9,0.4c0.4,0,0.6-0.1,1-0.4c0.6-0.5,1.3-0.7,2-0.7c0.8,0,1.5,0.3,2,0.9c0.4,0.3,0.6,0.4,0.9,0.4c0.3,0,0.7-0.2,1.1-0.5c0.5-0.4,1.2-0.9,2.3-0.8c0.7,0,1.4,0.3,1.9,0.7c0.5,0.4-0.7,1.5-1,1.3s-0.6-0.4-1-0.4c-0.4,0-0.7,0.2-1.2,0.5C-32,15.9-32.7,16.2-33.5,16.3L-33.5,16.3z",
            },
            pointer: {
              icon:
                "path://M2.9,0.7L2.9,0.7c1.4,0,2.6,1.2,2.6,2.6v115c0,1.4-1.2,2.6-2.6,2.6l0,0c-1.4,0-2.6-1.2-2.6-2.6V3.3C0.3,1.9,1.4,0.7,2.9,0.7z",
              width: 15,
              length: "4",
              offsetCenter: [0, "-90%"],
              itemStyle: {
                color: "#f00",
              },
            },
            title: {},
            detail: {
              show: false,
            },
            data: [
              {
                value: -120,
                name: "",
              },
            ],
          },
        ],
      };

      chart.value.setOption(option, true);

      function generateRandom(lower, upper, fixed) {
        return (Math.random() * (upper - lower + 1) + lower).toFixed(fixed) - 0;
      }

      function createFormatter(moveTime, moveDistance, avgEnergy, avgSpeed) {
        const date = new Date();
        let hour = date.getHours();
        let minite = date.getMinutes();
        let time =
          (hour < 10 ? "0" + hour : hour) +
          ":" +
          (minite < 10 ? "0" + minite : minite);
        moveTime < 10 && (moveTime = "0" + moveTime);
        return [
          `{a|                  ${time}}`,
          `{a|行驶时间        ${"0:" + moveTime}}{b| h}`,
          `{a|行驶距离        ${moveDistance}}{b| km}`,
          `{a|平均耗能        ${avgEnergy}}{b| 1/100km}`,
          `{a|平均速度        ${avgSpeed}}{b| km/h}`,
        ].join("\n");
      }

      const interval = 2;
      let moveTime = 0;
      let moveDistance = 0;
      let avgEnergy = 0;
      let avgSpeed = 0;
      let minite = 0;
      timer = setInterval(function () {
        let speed = generateRandom(70, 80, 0);
        option.series[1].data[0].value = speed;
        option.series[3].data[0].value = speed;
        let rotatingSpeed = generateRandom(2.5, 3, 1);
        option.series[2].data[0].value = rotatingSpeed;
        option.series[6].data[0].value = -generateRandom(105, 115, 0);

        moveTime += interval;
        if (moveTime % 60 === 0) {
          minite++;
          if (minite > 30) {
            moveTime = 2;
            moveDistance = 0;
            avgEnergy = 0;
            avgSpeed = 0;
            minite = 0;
            // oil
            if (option.series[5].data[0].value > 0.3) {
              option.series[5].data[0].value -= 0.1;
            } else {
              option.series[5].data[0].value = 1;
            }
          }
        }
        // mock value
        moveDistance += (interval / 3600) * speed;
        avgSpeed = moveDistance / (moveTime / 3600);
        avgEnergy = 85 * avgSpeed;
        option.series[4].detail.formatter = createFormatter(
          minite,
          moveDistance.toFixed(1),
          avgEnergy.toFixed(0),
          avgSpeed.toFixed(0)
        );
        chart.value.setOption(option, true);
      }, 2000);
    };

    onMounted(() => {
      initChart();
    });

    onBeforeUnmount(() => {
      clearInterval(timer)
      if (!chart.value) {
        return;
      }
      chart.value.dispose();
      chart.value = null;
    });

    return {};
  },
};
</script>

<style lang="scss" scoped>
.app-container {
  background-color: #fff;
  box-sizing: border-box;
  padding: 20px;
}
.chart {
  width: 100%;
  height: 100%;
}
</style>